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windows-xp/Source/XPSP1/NT/net/tapi/server/tapimmc.c

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/*++ BUILD Version: 0000 // Increment this if a change has global effects
Copyright (c) 1997-1998 Microsoft Corporation
Module Name:
tapimmc.c
Abstract:
Src module for tapi server mmc-support funcs
Author:
Dan Knudson (DanKn) 10-Dec-1997
Revision History:
--*/
#include "windows.h"
#include "stdio.h"
#include "stdlib.h"
#include "assert.h"
#include "tapi.h"
#include "utils.h"
#include "tapiclnt.h"
#include "tspi.h"
#include "client.h"
#include "server.h"
#include "tapimmc.h"
#include "private.h"
#include "Sddl.h"
typedef struct _USERNAME_TUPLE
{
LPWSTR pDomainUserNames;
LPWSTR pFriendlyUserNames;
} USERNAME_TUPLE, *LPUSERNAME_TUPLE;
typedef struct _MMCGETAVAILABLEPROVIDERS_PARAMS
{
union
{
OUT LONG lResult;
};
DWORD dwUnused;
union
{
IN HLINEAPP hLineApp;
};
union
{
IN DWORD dwProviderListTotalSize; // size of client buffer
OUT DWORD dwProviderListOffset; // valid offset on success
};
} MMCGETAVAILABLEPROVIDERS_PARAMS, *PMMCGETAVAILABLEPROVIDERS_PARAMS;
typedef struct _MMCGETDEVICEINFO_PARAMS
{
union
{
OUT LONG lResult;
};
DWORD dwUnused;
union
{
IN HLINEAPP hLineApp;
};
union
{
IN DWORD dwDeviceInfoListTotalSize; // size of client buffer
OUT DWORD dwDeviceInfoListOffset; // valid offset on success
};
} MMCGETDEVICEINFO_PARAMS, *PMMCGETDEVICEINFO_PARAMS;
typedef struct _MMCGETSERVERCONFIG_PARAMS
{
union
{
OUT LONG lResult;
};
DWORD dwUnused;
union
{
IN HLINEAPP hLineApp;
};
union
{
IN DWORD dwServerConfigTotalSize; // size of client buffer
OUT DWORD dwServerConfigOffset; // valid offset on success
} ;
} MMCGETSERVERCONFIG_PARAMS, *PMMCGETSERVERCONFIG_PARAMS;
typedef struct _MMCSETDEVICEINFO_PARAMS
{
union
{
OUT LONG lResult;
};
DWORD dwUnused;
union
{
IN HLINEAPP hLineApp;
};
union
{
IN DWORD dwDeviceInfoListOffset; // valid offset
};
} MMCSETDEVICEINFO_PARAMS, *PMMCSETDEVICEINFO_PARAMS;
typedef struct _MMCSETSERVERCONFIG_PARAMS
{
union
{
OUT LONG lResult;
};
DWORD dwUnused;
union
{
IN HLINEAPP hLineApp;
};
union
{
IN DWORD dwServerConfigOffset; // valid offset
};
} MMCSETSERVERCONFIG_PARAMS, *PMMCSETSERVERCONFIG_PARAMS;
typedef struct _MMCGETDEVICEFLAGS_PARAMS
{
OUT LONG lResult;
DWORD dwUnused;
IN HLINEAPP hLineApp;
IN DWORD fLine;
IN DWORD dwProviderID;
IN DWORD dwPermanentDeviceID;
OUT DWORD dwFlags;
OUT DWORD dwDeviceID;
} MMCGETDEVICEFLAGS_PARAM, *PMMCGETDEVICEFLAGS_PARAMS;
LPDEVICEINFOLIST gpLineInfoList = NULL;
LPDEVICEINFOLIST gpPhoneInfoList = NULL;
LPDWORD gpLineDevFlags = NULL;
DWORD gdwNumFlags = 0;
BOOL gbLockMMCWrite = FALSE;
//
// the last ftLastWriteTime of tsec.ini when we build the
// gpLineInfoList or gpPhoneInfoList, we will rebuild the
// *InfList if tsec.ini has been updated since then
//
FILETIME gftLineLastWrite = {0};
FILETIME gftPhoneLastWrite = {0};
CRITICAL_SECTION gMgmtCritSec;
WCHAR gszLines[] = L"Lines";
WCHAR gszPhones[] = L"Phones";
WCHAR gszFileName[] = L"..\\TAPI\\tsec.ini";
WCHAR gszEmptyString[] = L"";
WCHAR gszFriendlyUserName[] = L"FriendlyUserName";
WCHAR gszTapiAdministrators[] = L"TapiAdministrators";
//
// The following are the length of the constant strings
// defined above (excluding the terminating zero). The above
// string should not be changed normally. If for some
// reason the above strings need to be changed, the following
// CCH_constants need to be changed accordingly.
//
#define CCH_LINES 5
#define CCH_PHONES 6
#define CCH_FRIENDLYUSERNAME 16
#define CCH_TAPIADMINISTRATORS 18
extern TAPIGLOBALS TapiGlobals;
extern TCHAR gszProductType[];
extern TCHAR gszProductTypeServer[];
extern TCHAR gszProductTypeLanmanNt[];
extern TCHAR gszRegKeyNTServer[];
extern HANDLE ghEventService;
PTLINELOOKUPENTRY
GetLineLookupEntry(
DWORD dwDeviceID
);
PTPHONELOOKUPENTRY
GetPhoneLookupEntry(
DWORD dwDeviceID
);
BOOL
InitTapiStruct(
LPVOID pTapiStruct,
DWORD dwTotalSize,
DWORD dwFixedSize,
BOOL bZeroInit
);
DWORD
GetDeviceIDFromPermanentID(
TAPIPERMANENTID ID,
BOOL bLine
);
DWORD
GetProviderFriendlyName(
WCHAR *pFileNameBuf,
WCHAR **ppFriendlyNameBuf
);
BOOL
IsBadStructParam(
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
DWORD dwXxxOffset
);
LONG
PASCAL
GetClientList(
BOOL bAdminOnly,
PTPOINTERLIST *ppList
);
extern CRITICAL_SECTION *gLockTable;
extern DWORD gdwPointerToLockTableIndexBits;
#define POINTERTOTABLEINDEX(p) \
((((ULONG_PTR) p) >> 4) & gdwPointerToLockTableIndexBits)
PTCLIENT
PASCAL
WaitForExclusiveClientAccess(
PTCLIENT ptClient
);
#define UNLOCKTCLIENT(p) \
LeaveCriticalSection(&gLockTable[POINTERTOTABLEINDEX(p)])
#define UNLOCKTLINECLIENT(p) \
LeaveCriticalSection(&gLockTable[POINTERTOTABLEINDEX(p)])
#define UNLOCKTPHONECLIENT(p) \
LeaveCriticalSection(&gLockTable[POINTERTOTABLEINDEX(p)])
BOOL
PASCAL
WaitForExclusivetLineAccess(
PTLINE ptLine,
HANDLE *phMutex,
BOOL *pbDupedMutex,
DWORD dwTimeout
);
BOOL
PASCAL
WaitForExclusiveLineClientAccess(
PTLINECLIENT ptLineClient
);
BOOL
PASCAL
WaitForExclusivetPhoneAccess(
PTPHONE ptPhone,
HANDLE *phMutex,
BOOL *pbDupedMutex,
DWORD dwTimeout
);
BOOL
PASCAL
WaitForExclusivePhoneClientAccess(
PTPHONECLIENT ptPhoneClient
);
void
DestroytPhoneClient(
HPHONE hPhone
);
void
PASCAL
DestroytLineClient(
HLINE hLine
);
LONG
PASCAL
GetLineAppListFromClient(
PTCLIENT ptClient,
PTPOINTERLIST *ppList
);
LONG
PASCAL
GetPhoneAppListFromClient(
PTCLIENT ptClient,
PTPOINTERLIST *ppList
);
void
WINAPI
MGetAvailableProviders(
PTCLIENT ptClient,
PMMCGETAVAILABLEPROVIDERS_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
WCHAR szPath[MAX_PATH+8], *pFileNameBuf,
*pFriendlyNameBuf, *p, *p2;
DWORD dwFileNameBufTotalSize, dwFileNameBufUsedSize,
dwFriendlyNameBufTotalSize,
dwFriendlyNameBufUsedSize,
dwNumProviders, dwSize, i;
HANDLE hFind;
WIN32_FIND_DATAW findData;
LPAVAILABLEPROVIDERLIST pList = (LPAVAILABLEPROVIDERLIST) pDataBuf;
//
// Verify size/offset/string params given our input buffer/size
//
if (pParams->dwProviderListTotalSize > dwParamsBufferSize)
{
pParams->lResult = LINEERR_OPERATIONFAILED;
return;
}
if (pParams->dwProviderListTotalSize < sizeof (AVAILABLEPROVIDERLIST))
{
pParams->lResult = LINEERR_STRUCTURETOOSMALL;
return;
}
pList->dwTotalSize = pParams->dwProviderListTotalSize;
pList->dwNeededSize =
pList->dwUsedSize = sizeof (*pList);
pList->dwNumProviderListEntries =
pList->dwProviderListSize =
pList->dwProviderListOffset = 0;
pParams->dwProviderListOffset = 0;
//
// Find all the files in the system directory with the extenion .TSP
//
GetSystemDirectoryW (szPath, MAX_PATH);
wcscat (szPath, L"\\*.TSP");
if ((hFind = FindFirstFileW (szPath, &findData)) == INVALID_HANDLE_VALUE)
{
LOG((TL_ERROR,
"MGetAvailableProviders: FindFirstFile err=%d",
GetLastError()
));
goto done;
}
dwNumProviders =
dwFileNameBufTotalSize =
dwFileNameBufUsedSize = 0;
do
{
LOG((TL_INFO,
"MGetAvailableProviders: found '%ws'",
findData.cFileName
));
dwSize = (wcslen (findData.cFileName) + 1) * sizeof (WCHAR);
if ((dwSize + dwFileNameBufUsedSize) > dwFileNameBufTotalSize)
{
if (!(p = ServerAlloc (dwFileNameBufTotalSize += 512)))
{
FindClose (hFind);
pParams->lResult = LINEERR_NOMEM;
return;
}
if (dwFileNameBufUsedSize)
{
CopyMemory (p, pFileNameBuf, dwFileNameBufUsedSize);
ServerFree (pFileNameBuf);
}
pFileNameBuf = p;
}
CopyMemory(
((LPBYTE) pFileNameBuf) + dwFileNameBufUsedSize,
findData.cFileName,
dwSize
);
dwFileNameBufUsedSize += dwSize;
dwNumProviders++;
} while (FindNextFileW (hFind, &findData));
FindClose (hFind);
//
// For each of the files we found above get their "friendly" name
// (use the module name if there's no friendly name)
//
RpcImpersonateClient (0);
dwFriendlyNameBufUsedSize = GetProviderFriendlyName (pFileNameBuf, &pFriendlyNameBuf);
RpcRevertToSelf();
if (0 == dwFriendlyNameBufUsedSize)
{
pFriendlyNameBuf = pFileNameBuf;
dwFriendlyNameBufUsedSize = dwFileNameBufUsedSize;
}
pList->dwNeededSize +=
(dwNumProviders * sizeof (AVAILABLEPROVIDERENTRY)) +
dwFileNameBufUsedSize +
dwFriendlyNameBufUsedSize;
//
// Now if there's enough room in the buffer for everything then
// pack it all in there
//
if (pList->dwNeededSize <= pList->dwTotalSize)
{
DWORD dwNumAvailProviders;
LPAVAILABLEPROVIDERENTRY pEntry = (LPAVAILABLEPROVIDERENTRY)
(pList + 1);
pList->dwUsedSize += dwNumProviders * sizeof (AVAILABLEPROVIDERENTRY);
p = pFileNameBuf;
p2 = pFriendlyNameBuf;
for (i = dwNumAvailProviders = 0; i < dwNumProviders; i++)
{
HANDLE hTsp;
if (!(hTsp = LoadLibraryW (p)))
{
//
// If we can't even load the tsp then ignore it
//
p += wcslen (p) + 1;
p2 += wcslen (p2) + 1;
continue;
}
if (GetProcAddress (hTsp, "TSPI_providerInstall"))
{
pEntry->dwOptions = AVAILABLEPROVIDER_INSTALLABLE;
}
else
{
pEntry->dwOptions = 0;
}
if (GetProcAddress (hTsp, "TSPI_providerConfig") ||
GetProcAddress (hTsp, "TUISPI_providerConfig"))
{
pEntry->dwOptions |= AVAILABLEPROVIDER_CONFIGURABLE;
}
if (GetProcAddress (hTsp, "TSPI_providerRemove"))
{
pEntry->dwOptions |= AVAILABLEPROVIDER_REMOVABLE;
}
FreeLibrary (hTsp);
pEntry->dwFileNameSize = (wcslen (p) + 1) * sizeof (WCHAR);
pEntry->dwFileNameOffset = pList->dwUsedSize;
CopyMemory(
((LPBYTE) pList) + pEntry->dwFileNameOffset,
p,
pEntry->dwFileNameSize
);
pList->dwUsedSize += pEntry->dwFileNameSize;
p += pEntry->dwFileNameSize / sizeof (WCHAR);
pEntry->dwFriendlyNameSize = (wcslen (p2) + 1) * sizeof (WCHAR);
pEntry->dwFriendlyNameOffset = pList->dwUsedSize;
CopyMemory(
((LPBYTE) pList) + pEntry->dwFriendlyNameOffset,
p2,
pEntry->dwFriendlyNameSize
);
pList->dwUsedSize += pEntry->dwFriendlyNameSize;
p2 += pEntry->dwFriendlyNameSize / sizeof (WCHAR);
dwNumAvailProviders++; pEntry++;
}
pList->dwNumProviderListEntries = dwNumAvailProviders;
pList->dwProviderListSize =
dwNumProviders * sizeof (AVAILABLEPROVIDERENTRY);
pList->dwProviderListOffset = sizeof (*pList);
}
ServerFree (pFileNameBuf);
if (pFriendlyNameBuf != pFileNameBuf)
{
ServerFree (pFriendlyNameBuf);
}
done:
*pdwNumBytesReturned = sizeof (TAPI32_MSG) + pList->dwUsedSize;
pParams->lResult = 0;
}
DWORD
PASCAL
MyGetPrivateProfileString(
LPCWSTR pszSection,
LPCWSTR pszKey,
LPCWSTR pszDefault,
LPWSTR *ppBuf,
LPDWORD pdwBufSize
)
{
DWORD dwResult;
while (1)
{
dwResult = GetPrivateProfileStringW(
pszSection,
pszKey,
pszDefault,
*ppBuf,
*pdwBufSize / sizeof (WCHAR),
gszFileName
);
if (dwResult < ((*pdwBufSize) / sizeof(WCHAR) - 2))
{
return 0;
}
ServerFree (*ppBuf);
*pdwBufSize *= 2;
if (!(*ppBuf = ServerAlloc (*pdwBufSize)))
{
break;
}
}
return LINEERR_NOMEM;
}
DWORD
PASCAL
InsertInfoListString(
LPDEVICEINFOLIST *ppInfoList,
DWORD dwInfoIndex,
DWORD dwXxxSizeFieldOffset,
LPWSTR psz,
DWORD dwLength,
BOOL bAppendNull
)
{
LPDWORD pdwXxxSize;
LPDEVICEINFO pInfo;
LPDEVICEINFOLIST pInfoList = *ppInfoList;
if (!dwLength)
{
return 0;
}
//
// If the existing buffer is too small the alloc a larger one
//
if ((pInfoList->dwUsedSize + dwLength + sizeof (WCHAR)) >
pInfoList->dwTotalSize)
{
DWORD dwTotalSize = (*ppInfoList)->dwTotalSize + dwLength + 4096;
if (!(pInfoList = ServerAlloc (dwTotalSize)))
{
return LINEERR_NOMEM;
}
CopyMemory (pInfoList, *ppInfoList, (*ppInfoList)->dwUsedSize);
pInfoList->dwTotalSize = dwTotalSize;;
ServerFree (*ppInfoList);
*ppInfoList = pInfoList;
}
CopyMemory (((LPBYTE) pInfoList) + pInfoList->dwUsedSize, psz, dwLength);
pInfo = ((LPDEVICEINFO)(pInfoList + 1)) + dwInfoIndex;
pdwXxxSize = (LPDWORD) (((LPBYTE) pInfo) + dwXxxSizeFieldOffset);
if ((*pdwXxxSize += dwLength) == dwLength)
{
*(pdwXxxSize + 1) = pInfoList->dwUsedSize;
}
pInfoList->dwUsedSize += dwLength;
if (bAppendNull)
{
*((WCHAR *)(((LPBYTE) pInfoList) + pInfoList->dwUsedSize)) = L'\0';
pInfoList->dwUsedSize += sizeof (WCHAR);
*pdwXxxSize += sizeof (WCHAR);
}
return 0;
}
DWORD
PASCAL
GrowCapsBuf(
LPDWORD *ppXxxCaps,
LPDWORD pdwBufSize
)
{
DWORD dwTotalSize = **ppXxxCaps + 256, *pXxxCapsTmp;
if (!(pXxxCapsTmp = ServerAlloc (dwTotalSize)))
{
return LINEERR_NOMEM;
}
*pdwBufSize = *pXxxCapsTmp = dwTotalSize;
ServerFree (*ppXxxCaps);
*ppXxxCaps = pXxxCapsTmp;
return 0;
}
DWORD
PASCAL
ChangeDeviceUserAssociation(
LPWSTR pDomainUserName,
LPWSTR pFriendlyUserName,
DWORD dwProviderID,
DWORD dwPermanentDeviceID,
BOOL bLine
)
{
DWORD dwSize = 64 * sizeof (WCHAR), dwLength, dwNeededSize;
WCHAR *p, *p2, *p3, buf[32];
BOOL bAlreadyIn;
WCHAR *pSub;
if (!(p = ServerAlloc (dwSize)))
{
return LINEERR_NOMEM;
}
if (MyGetPrivateProfileString(
pDomainUserName,
(bLine ? gszLines : gszPhones),
gszEmptyString,
&p,
&dwSize
))
{
ServerFree (p);
return LINEERR_NOMEM;
}
dwLength = wsprintfW (buf, L"%d,%d", dwProviderID, dwPermanentDeviceID);
//
// Check if the specified Device/User assocation is already there
// if so bAlreadyIn is set to be true and pSub points to the
// (dwProviderID, dwPermanentDeviceID) pair
//
bAlreadyIn = FALSE;
pSub = p;
while (*pSub)
{
if ((wcsncmp(pSub, buf, dwLength) == 0) &&
(*(pSub + dwLength) == L',' || *(pSub + dwLength) == L'\0'))
{
bAlreadyIn = TRUE;
break;
}
//
// Skip the next two delimiting ','
//
if (!(pSub = wcschr (pSub, L',')))
{
break;
}
pSub++;
if (!(pSub = wcschr (pSub, L',')))
{
break;
}
pSub++;
}
if (pFriendlyUserName) // Add device/user association
{
// Always write the friendly name which could be different
WritePrivateProfileStringW(
pDomainUserName,
gszFriendlyUserName,
pFriendlyUserName,
gszFileName
);
if ( !bAlreadyIn)
{
dwNeededSize = (dwLength + wcslen (p) + 2) * sizeof (WCHAR);
if (dwNeededSize > dwSize)
{
if (!(p2 = ServerAlloc (dwNeededSize)))
{
return LINEERR_NOMEM;
}
wcscpy (p2, p);
ServerFree (p);
p = p2;
}
if (*p == L'\0')
{
wcscpy (p, buf);
}
else
{
wcscat (p, L",");
wcscat (p, buf);
}
}
}
else // Remove device/user association
{
p2 = pSub;
if (bAlreadyIn)
{
if (*(p2 + dwLength) == L',') // not last item in list, so copy
{
for(
p3 = p2 + dwLength + 1;
(*p2 = *p3) != L'\0';
p2++, p3++
);
}
else if (*(p2 + dwLength) == L'\0')
{
if (p2 == p) // only item in list, so list == ""
{
*p2 = L'\0';
}
else // last item in list, so nuke preceding ','
{
*(p2 - 1) = L'\0';
}
}
}
if (*p == L'\0')
{
}
}
if (bLine && *p == 0)
{
WritePrivateProfileStringW(
pDomainUserName,
NULL,
NULL,
gszFileName
);
}
else
{
WritePrivateProfileStringW(
pDomainUserName,
(bLine ? gszLines : gszPhones),
p,
gszFileName
);
}
ServerFree (p);
return 0;
}
//
// UpdateLastWriteTime
// It reads the ftLastWriteTime of the tsec.ini into gftLineLastWrite or
// gftPhoneLastWrite, it also returns S_FALSE, if the timestamp is newer
//
LONG
UpdateLastWriteTime (
BOOL bLine
)
{
LONG lResult = S_OK;
WCHAR szFilePath[MAX_PATH + 16]; // include space for "tsec.ini"
WIN32_FILE_ATTRIBUTE_DATA fad;
FILETIME * pft;
DWORD dwError;
if (GetSystemWindowsDirectoryW(szFilePath, MAX_PATH) == 0)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
wcscat (szFilePath, L"\\");
wcscat (szFilePath, gszFileName);
pft = bLine ? &gftLineLastWrite : &gftPhoneLastWrite;
if (GetFileAttributesExW (
szFilePath,
GetFileExInfoStandard,
&fad) == 0
)
{
dwError = GetLastError();
if (dwError == ERROR_FILE_NOT_FOUND || dwError == ERROR_PATH_NOT_FOUND)
{
ZeroMemory (pft, sizeof(FILETIME));
lResult = S_FALSE;
}
else
{
lResult = LINEERR_OPERATIONFAILED;
}
goto ExitHere;
}
if (fad.ftLastWriteTime.dwHighDateTime > pft->dwHighDateTime ||
fad.ftLastWriteTime.dwLowDateTime > pft->dwLowDateTime)
{
pft->dwHighDateTime = fad.ftLastWriteTime.dwHighDateTime;
pft->dwLowDateTime = fad.ftLastWriteTime.dwLowDateTime;
lResult = S_FALSE;
}
ExitHere:
return lResult;
}
//
// InsertDevNameAddrInfo
// Utlity to fill
// DEVICEINFO.dwDeviceNameSize
// DEVICEINFO.dwDeviceNameOffset
// DEVICEINFO.dwAddressSize
// DEVICEINFO.dwAddressOffset
// dwDeviceID is the device ID to retrieve information while
// dwEntry is the DEVICEINFO entry index in the deviceinfo list
//
//
LONG
InsertDevNameAddrInfo (
BOOL bLine,
LPDEVICEINFOLIST *ppList,
LPDWORD pdwDevFlags,
DWORD dwDeviceID,
DWORD dwEntry
)
{
LPDEVICEINFO pInfo = ((LPDEVICEINFO)((*ppList) + 1)) + dwEntry;
PTLINELOOKUPENTRY pLLE;
PTPHONELOOKUPENTRY pPLE;
LONG lResult = S_OK;
DWORD k;
LINEDEVCAPS devCaps[3];
LPLINEDEVCAPS pDevCaps = devCaps;
DWORD dwDevCapsTotalSize = sizeof(devCaps);
LINEADDRESSCAPS addrCaps[3];
LPLINEADDRESSCAPS pAddrCaps = addrCaps;
DWORD dwAddrCapsTotalSize = sizeof(addrCaps);
TapiEnterCriticalSection(&TapiGlobals.CritSec);
if (bLine)
{
pLLE = GetLineLookupEntry (dwDeviceID);
if (!pLLE ||
pLLE->bRemoved)
{
lResult = S_FALSE;
goto ExitHere;
}
pInfo->dwProviderID = pLLE->ptProvider->dwPermanentProviderID;
}
else
{
pPLE = GetPhoneLookupEntry (dwDeviceID);
if (!pPLE ||
pPLE->bRemoved)
{
lResult = S_FALSE;
goto ExitHere;
}
pInfo->dwProviderID = pPLE->ptProvider->dwPermanentProviderID;
}
//
// Retrieve device name from TSPI_xxGetCaps
//
get_dev_caps:
InitTapiStruct(
pDevCaps,
dwDevCapsTotalSize,
sizeof (LINEDEVCAPS),
TRUE
);
if (bLine)
{
lResult = CallSP4(
pLLE->ptProvider->apfn[SP_LINEGETDEVCAPS],
"lineGetDevCaps",
SP_FUNC_SYNC,
(DWORD) dwDeviceID,
(DWORD) pLLE->dwSPIVersion,
(DWORD) 0,
(ULONG_PTR) pDevCaps
);
}
else
{
lResult = CallSP4(
pPLE->ptProvider->apfn[SP_PHONEGETDEVCAPS],
"phoneGetDevCaps",
SP_FUNC_SYNC,
(DWORD) dwDeviceID,
(DWORD) pPLE->dwSPIVersion,
(DWORD) 0,
(ULONG_PTR) pDevCaps
);
}
if (lResult != 0)
{
//
// We can't get the name or the PermDevID, so ignore this device
//
goto ExitHere;
}
else if (pDevCaps->dwNeededSize <= pDevCaps->dwTotalSize)
{
DWORD dwXxxSize;
LPWSTR pwszXxxName;
const WCHAR szUnknown[] = L"Unknown";
if (bLine)
{
pInfo->dwPermanentDeviceID = pDevCaps->dwPermanentLineID;
if (pdwDevFlags)
{
*pdwDevFlags = pDevCaps->dwDevCapFlags;
}
dwXxxSize = pDevCaps->dwLineNameSize;
pwszXxxName = (WCHAR *) (((LPBYTE) pDevCaps) +
pDevCaps->dwLineNameOffset);
}
else
{
LPPHONECAPS pPhoneCaps = (LPPHONECAPS) pDevCaps;
pInfo->dwPermanentDeviceID = pPhoneCaps->dwPermanentPhoneID;
dwXxxSize = pPhoneCaps->dwPhoneNameSize;
pwszXxxName = (WCHAR *) (((LPBYTE) pPhoneCaps) +
pPhoneCaps->dwPhoneNameOffset);
}
if (dwXxxSize == 0 || *pwszXxxName == L'\0')
{
dwXxxSize = 8 * sizeof (WCHAR);
pwszXxxName = (LPWSTR) szUnknown;
}
if (InsertInfoListString(
ppList,
dwEntry,
(DWORD) (((LPBYTE) &pInfo->dwDeviceNameSize) -
((LPBYTE) pInfo)),
pwszXxxName,
dwXxxSize,
FALSE
))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
}
//
// if the pDevCaps is not large enough, increase the size
// by 256 and try again.
//
else
{
LPLINEDEVCAPS pNewDevCaps;
dwDevCapsTotalSize += 256;
pNewDevCaps = ServerAlloc (dwDevCapsTotalSize);
if (pNewDevCaps == NULL)
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
if (pDevCaps != devCaps)
{
ServerFree (pDevCaps);
}
pDevCaps = pNewDevCaps;
goto get_dev_caps;
}
if (bLine)
{
//
// for each address on this line retrieve the address "name"
// by calling TSPI_lineGetAddressCaps. Terminate the last
// address name in the list with an extra Null character.
//
for (k = 0; k < pDevCaps->dwNumAddresses; k++)
{
get_addr_caps:
InitTapiStruct(
pAddrCaps,
dwAddrCapsTotalSize,
sizeof (LINEADDRESSCAPS),
TRUE
);
if ((lResult = CallSP5(
pLLE->ptProvider->apfn[SP_LINEGETADDRESSCAPS],
"lineGetAddressCaps",
SP_FUNC_SYNC,
(DWORD) dwDeviceID,
(DWORD) k,
(DWORD) pLLE->dwSPIVersion,
(DWORD) 0,
(ULONG_PTR) pAddrCaps
)) == 0)
{
if (pAddrCaps->dwNeededSize <= pAddrCaps->dwTotalSize)
{
if (InsertInfoListString(
ppList,
dwEntry,
(DWORD) (((LPBYTE) &pInfo->dwAddressesSize) -
((LPBYTE) pInfo)),
(LPWSTR) (((LPBYTE) pAddrCaps) +
pAddrCaps->dwAddressOffset),
pAddrCaps->dwAddressSize,
(k < (pDevCaps->dwNumAddresses - 1) ?
FALSE : TRUE)
))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
}
//
// if the pAddrCaps is not large enough, increase the size
// by 256 and try again.
//
else
{
LPLINEADDRESSCAPS pNewAddrCaps;
dwAddrCapsTotalSize += 256;
pNewAddrCaps = ServerAlloc (dwAddrCapsTotalSize);
if (pNewAddrCaps == NULL)
{
goto ExitHere;
}
if (pAddrCaps != addrCaps)
{
ServerFree (pAddrCaps);
}
pAddrCaps = pNewAddrCaps;
goto get_addr_caps;
}
}
else
{
// no addr name (will default to blank, not bad)
}
}
}
ExitHere:
if (pDevCaps != devCaps)
{
ServerFree (pDevCaps);
}
if (pAddrCaps != addrCaps)
{
ServerFree (pAddrCaps);
}
TapiLeaveCriticalSection(&TapiGlobals.CritSec);
return lResult;
}
//
// AppendNewDeviceInfo
// This function insert a newly created device identified by
// dwDeviceID into the cached gpLineInfoList or gpPhoneInfoList in
// response to LINE/PHONE_CREATE message
//
LONG
AppendNewDeviceInfo (
BOOL bLine,
DWORD dwDeviceID
)
{
LONG lResult = S_OK;
LPDEVICEINFOLIST pXxxList;
DWORD dwXxxDevices;
DWORD dwTotalSize;
DWORD dwSize, dw;
EnterCriticalSection (&gMgmtCritSec);
pXxxList = bLine? gpLineInfoList : gpPhoneInfoList;
dwXxxDevices = bLine ? TapiGlobals.dwNumLines : TapiGlobals.dwNumPhones;
if (pXxxList == NULL)
{
goto ExitHere;
}
//
// make sure we have enough space to accomodate the new device flags
if (bLine && gpLineDevFlags && gdwNumFlags < dwXxxDevices)
{
LPDWORD pNewLineDevFlags;
pNewLineDevFlags = ServerAlloc (dwXxxDevices * sizeof(DWORD));
if (pNewLineDevFlags == NULL)
{
goto ExitHere;
}
CopyMemory (
pNewLineDevFlags,
gpLineDevFlags,
gdwNumFlags * sizeof(DWORD)
);
ServerFree (gpLineDevFlags);
gpLineDevFlags = pNewLineDevFlags;
gdwNumFlags = dwXxxDevices;
}
//
// make sure we have enough space for the new DEVICEINFO entry
// An estimate is done for the new DEVICEINFO entry
// the estimation includes:
// 1. Fixed size of DEVICEINFO structure
// 2. 20 bytes each for DeviceName, Addresses, DomainUserName
// and FriendlyUserName
//
dwTotalSize = pXxxList->dwUsedSize +
sizeof(DEVICEINFO) + (20 + 20 + 20 + 20) * sizeof(WCHAR);
if (dwTotalSize > pXxxList->dwTotalSize)
{
LPDEVICEINFOLIST pNewList;
pNewList = ServerAlloc (dwTotalSize);
if (pNewList == NULL)
{
lResult = (bLine ? LINEERR_NOMEM : PHONEERR_NOMEM);
goto ExitHere;
}
CopyMemory (pNewList, pXxxList, pXxxList->dwUsedSize);
pNewList->dwTotalSize = dwTotalSize;
pXxxList = pNewList;
if (bLine)
{
ServerFree (gpLineInfoList);
gpLineInfoList = pXxxList;
}
else
{
ServerFree (gpPhoneInfoList);
gpPhoneInfoList = pXxxList;
}
}
// Now make space for the new DEVICEINFO entry
if (pXxxList->dwUsedSize >
pXxxList->dwDeviceInfoSize + sizeof(*pXxxList))
{
LPBYTE pbVar = (LPBYTE) pXxxList +
pXxxList->dwDeviceInfoSize + sizeof(*pXxxList);
LPDEVICEINFO pInfo = (LPDEVICEINFO)(((LPBYTE)pXxxList) +
sizeof(*pXxxList));
dwSize = pXxxList->dwUsedSize -
pXxxList->dwDeviceInfoSize - sizeof(*pXxxList);
MoveMemory (
pbVar + sizeof(DEVICEINFO),
pbVar,
dwSize);
ZeroMemory (pbVar, sizeof(DEVICEINFO));
for (dw = 0;
dw < pXxxList->dwNumDeviceInfoEntries;
++dw
)
{
if (pInfo->dwDeviceNameOffset != 0)
{
pInfo->dwDeviceNameOffset += sizeof(DEVICEINFO);
}
if (pInfo->dwAddressesOffset != 0)
{
pInfo->dwAddressesOffset += sizeof(DEVICEINFO);
}
if (pInfo->dwDomainUserNamesOffset != 0)
{
pInfo->dwDomainUserNamesOffset += sizeof(DEVICEINFO);
}
if (pInfo->dwFriendlyUserNamesOffset != 0)
{
pInfo->dwFriendlyUserNamesOffset += sizeof(DEVICEINFO);
}
++pInfo;
}
}
pXxxList->dwUsedSize += sizeof(DEVICEINFO);
pXxxList->dwNeededSize = pXxxList->dwUsedSize;
// Now add the new entry
lResult = InsertDevNameAddrInfo (
bLine,
(bLine ? (&gpLineInfoList) : (&gpPhoneInfoList)),
(bLine && dwDeviceID < gdwNumFlags) ? (gpLineDevFlags + dwDeviceID) : NULL,
dwDeviceID,
pXxxList->dwNumDeviceInfoEntries
);
if (lResult == 0)
{
pXxxList = bLine? gpLineInfoList : gpPhoneInfoList;
pXxxList->dwDeviceInfoSize += sizeof(DEVICEINFO);
++pXxxList->dwNumDeviceInfoEntries;
pXxxList->dwNeededSize = pXxxList->dwUsedSize;
}
ExitHere:
LeaveCriticalSection (&gMgmtCritSec);
return lResult;
}
//
// RemoveDeviceInfoEntry
// // This function removes a device info entry from the gpLineInfoList
// or gpPhoneInfoList identified by dwDevice in response to LINE/PHONE_REMOVE
// message
//
LONG
RemoveDeviceInfoEntry (
BOOL bLine,
DWORD dwDeviceID
)
{
LPDEVICEINFOLIST pXxxList;
LPDEVICEINFO pInfo;
int iIndex, cItems;
LPBYTE pb;
EnterCriticalSection (&gMgmtCritSec);
pXxxList = bLine ? gpLineInfoList : gpPhoneInfoList;
if (pXxxList == NULL)
{
goto ExitHere;
}
pInfo = (LPDEVICEINFO)(pXxxList + 1);
cItems = (int)pXxxList->dwNumDeviceInfoEntries;
iIndex = dwDeviceID;
if ((int)dwDeviceID >= cItems)
{
iIndex = cItems - 1;
}
pInfo += iIndex;
while (iIndex >= 0)
{
TAPIPERMANENTID tpid;
tpid.dwDeviceID = pInfo->dwPermanentDeviceID;
tpid.dwProviderID = pInfo->dwProviderID;
if (dwDeviceID == GetDeviceIDFromPermanentID(tpid, bLine))
{
break;
}
--pInfo;
--iIndex;
}
if (iIndex < 0)
{
goto ExitHere;
}
// With the entry pointed to by iIndex found, move down
// all the DEVICEINFO entry above it
if (iIndex < cItems - 1)
{
pb = (LPBYTE)((LPDEVICEINFO)(pXxxList + 1) + iIndex);
MoveMemory (
pb,
pb + sizeof(DEVICEINFO),
(cItems - 1 - iIndex) * sizeof(DEVICEINFO)
);
}
pXxxList->dwDeviceInfoSize -= sizeof(DEVICEINFO);
--pXxxList->dwNumDeviceInfoEntries;
ExitHere:
LeaveCriticalSection (&gMgmtCritSec);
return 0;
}
//
// BuildDeviceInfoList
// Private function called by GetDeviceInfo to build the DEVICEINFOLIST
// if not already created, the list is saved in gpLineInfoList or
// gpPhoneInfoList
//
LONG
BuildDeviceInfoList(
BOOL bLine
)
{
LONG lResult = S_OK;
DWORD dwNumDevices, dwListTotalSize, dwFriendlyNameSize,
dwDomainUserNameSize, dwFriendlyUserNameSize;
DWORD i, j;
LPDEVICEINFOLIST pList = NULL;
LPUSERNAME_TUPLE pUserNames= NULL;
LPWSTR lpszFriendlyName = NULL;
LPDEVICEINFO pInfo;
HANDLE hIniFile = 0;
HANDLE hFileMap = NULL;
char * lpszFileBuf = NULL;
char* lpszLineAnsiBuf = NULL;
LPWSTR lpszLineWcharBuf = NULL;
DWORD dwAnsiLineBufSize, dwWcharLineBufSize;
DWORD dwTotalFileSize;
DWORD dwFilePtr;
LPWSTR lpszDomainUser = NULL;
DWORD cbDomainUser;
LPDWORD lpdwDevFlags = NULL;
WCHAR *p;
//
// Alloc a buffer to use for the device info list. Size includes
// the list header, list entries for each existing device,
// and space wide unicode strings for device name, (address,)
// domain\user name(s), and friendly user name(s) (each est to 20 char).
//
// Also alloc buffers to use for retrieving device & address caps,
// and a buffer to temporarily store pointers to user name
// strings (which are associated with each line)
//
TapiEnterCriticalSection(&TapiGlobals.CritSec);
dwNumDevices = (bLine ? TapiGlobals.dwNumLines : TapiGlobals.dwNumPhones);
TapiLeaveCriticalSection(&TapiGlobals.CritSec);
dwAnsiLineBufSize = 256 * sizeof(WCHAR);
dwWcharLineBufSize = 256 * sizeof(WCHAR);
dwFriendlyNameSize = 64 * sizeof (WCHAR);
cbDomainUser = 128;
dwListTotalSize =
sizeof (DEVICEINFOLIST) +
(dwNumDevices * sizeof (DEVICEINFO)) +
(dwNumDevices * (20 + 20 + 20 + 20) * sizeof (WCHAR));
if (!(pList = ServerAlloc (dwListTotalSize)) ||
!(pUserNames = ServerAlloc (dwNumDevices * sizeof (USERNAME_TUPLE))) ||
!(lpszFriendlyName = ServerAlloc (dwFriendlyNameSize)) ||
!(lpszLineAnsiBuf = ServerAlloc (dwAnsiLineBufSize)) ||
!(lpszLineWcharBuf = ServerAlloc (dwWcharLineBufSize)) ||
!(lpszDomainUser = ServerAlloc (cbDomainUser)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
if (bLine && !(lpdwDevFlags = ServerAlloc (dwNumDevices * sizeof (DWORD))))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
pList->dwTotalSize = dwListTotalSize;
pList->dwUsedSize = sizeof (*pList) +
dwNumDevices * sizeof (DEVICEINFO);
pList->dwDeviceInfoSize = dwNumDevices * sizeof (DEVICEINFO);
pList->dwDeviceInfoOffset = sizeof (*pList);
//
// Get info for all the lines, including:
//
// Provider ID
// Permanent Device ID
// Device Name
// (Addresses)
//
// ... and pack this info in the list sequentially
//
LOG((TL_INFO,
"GetDeviceInfo: getting names (addrs) for %ld %ws",
dwNumDevices,
(bLine ? gszLines : gszPhones)
));
for (i = j = 0; i < dwNumDevices; i++)
{
if (WaitForSingleObject (
ghEventService,
0
) == WAIT_OBJECT_0)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
lResult = InsertDevNameAddrInfo (
bLine,
&pList,
bLine ? lpdwDevFlags + i : NULL,
i,
j
);
if (lResult)
{
lResult = 0;
continue;
}
++j;
}
dwNumDevices =
pList->dwNumDeviceInfoEntries = j; // the number of devices in the list
//
// Now enumerate all the known users & figure out what devices they
// have access to. Since each device can be seen by zero, one, or
// many users, we allocate separate user name buffers in this loop
// rather than try to pack them into the existing device info list.
//
//
// Open %windir%\tsec.ini file and map it into memory
//
{
TCHAR szFilePath[MAX_PATH + 16]; // include space for "tsec.ini"
OFSTRUCT ofs;
if (GetCurrentDirectory(MAX_PATH, szFilePath) == 0)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
wcscat (szFilePath, L"\\");
wcscat (szFilePath, gszFileName);
hIniFile = CreateFile (
szFilePath,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
);
if (hIniFile == INVALID_HANDLE_VALUE)
{
DWORD dwError;
dwError = GetLastError();
if (dwError != ERROR_FILE_NOT_FOUND
&& dwError != ERROR_PATH_NOT_FOUND)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
}
if (hIniFile != INVALID_HANDLE_VALUE)
{
dwTotalFileSize = GetFileSize(hIniFile, NULL);
}
else
{
dwTotalFileSize = 0;
}
if (dwTotalFileSize > 0)
{
hFileMap = CreateFileMapping (
hIniFile,
NULL,
PAGE_READONLY,
0,
0,
NULL
);
if (hFileMap == NULL)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
lpszFileBuf = MapViewOfFile (
hFileMap,
FILE_MAP_READ,
0,
0,
0
);
if (lpszFileBuf == NULL)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
}
}
pInfo = (LPDEVICEINFO)(pList + 1);
dwFilePtr = 0;
while (dwFilePtr < dwTotalFileSize)
{
WCHAR wch;
DWORD cch, cb;
WCHAR * lpwsz;
if (WaitForSingleObject (
ghEventService,
0
) == WAIT_OBJECT_0)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
ASSERT (lpszFileBuf != NULL);
// Read one line from the file
cch = 0;
wch = 0;
cb = 0;
while (wch != L'\n' && wch != L'\r' && dwFilePtr < dwTotalFileSize)
{
// Not enough line buffer? if so enlarge
if (cb >= dwAnsiLineBufSize)
{
char * lpszNewAnsi;
if (!(lpszNewAnsi = ServerAlloc (dwAnsiLineBufSize + 256)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
CopyMemory (lpszNewAnsi, lpszLineAnsiBuf, cb);
ServerFree (lpszLineAnsiBuf);
lpszLineAnsiBuf = lpszNewAnsi;
dwAnsiLineBufSize += 256;
}
wch = lpszLineAnsiBuf[cb++] = lpszFileBuf[dwFilePtr++];
if (IsDBCSLeadByte((BYTE)wch))
{
lpszLineAnsiBuf[cb] = lpszFileBuf[dwFilePtr++];
wch = (wch << 8) + lpszLineAnsiBuf[cb];
++cb;
}
++cch;
}
// skip the \r & \n
if (wch == L'\r' || wch == L'\n')
{
lpszLineAnsiBuf[cb - 1] = 0;
if (dwFilePtr < dwTotalFileSize &&
((lpszFileBuf[dwFilePtr] == L'\n') ||
(lpszFileBuf[dwFilePtr] == L'\r')))
{
++dwFilePtr;
}
}
// Now convert the ANSI string to Wide char
// enough wchar line buffer size?
if (dwWcharLineBufSize <= (cch + 1) * sizeof(WCHAR))
{
ServerFree (lpszLineWcharBuf);
dwWcharLineBufSize = (cch + 256) * sizeof(WCHAR);
if (!(lpszLineWcharBuf = ServerAlloc (dwWcharLineBufSize)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
}
if ((cch = MultiByteToWideChar (
CP_ACP,
MB_PRECOMPOSED,
lpszLineAnsiBuf,
cb,
lpszLineWcharBuf,
dwWcharLineBufSize / sizeof(WCHAR)
)) == 0)
{
lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
ASSERT (cch < dwWcharLineBufSize / sizeof(WCHAR));
lpszLineWcharBuf[cch] = 0;
lpwsz = lpszLineWcharBuf;
// Skip white space
while (*lpwsz && ((*lpwsz == L' ') || (*lpwsz == L'\t')))
{
++lpwsz;
}
// Got a bracket, this might be the starting of a new NT
// domain user or the section of [TapiAdministators]
if (*lpwsz == L'[')
{
*lpszFriendlyName = 0; // reset friendly name
++lpwsz;
if (_wcsnicmp (
lpwsz,
gszTapiAdministrators,
CCH_TAPIADMINISTRATORS
) == 0 &&
lpwsz[CCH_TAPIADMINISTRATORS] == L']')
{
// Got [TapiAdministrators], not any domain user
// to process, reset the lpszDomainUser to empty
*lpszDomainUser = 0;
continue;
}
else
{
// might be a valid NT domain user like [ndev\jonsmith]
// copy the domain user string over
cch = 0;
while (*lpwsz && *lpwsz != L']')
{
if (((cch + 1) * sizeof(WCHAR)) >= cbDomainUser)
{
LPTSTR lpszNew;
if (!(lpszNew = ServerAlloc (cbDomainUser + 128)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
CopyMemory (lpszNew, lpszDomainUser, cb);
ServerFree (lpszDomainUser);
lpszDomainUser = lpszNew;
cbDomainUser += 128;
}
lpszDomainUser[cch++] = *lpwsz++;
}
lpszDomainUser[cch] = 0;
if (*lpwsz == 0)
{
// did not find a closing ']', ignore this section
*lpszDomainUser = 0;
continue;
}
}
}
//
// Now it might be some ntdev\jonsmith=1 in [TapiAdministrators] or
// Lines=1,1000 under section of [ntdev\jonsmith].
// for the first case, we just ignore this line, for the second case
// we need to have *lpszDomainUser != 0
//
else if (*lpszDomainUser)
{
if (_wcsnicmp (
lpwsz,
gszFriendlyUserName,
CCH_FRIENDLYUSERNAME
) == 0)
{
// The tsec.ini friendly name is the following format
// FriendlyName=Jon Smith
// skip over the '='
while (*lpwsz && *lpwsz != L'=')
{
++lpwsz;
}
if (*lpwsz == 0)
{
continue;
}
else
{
++lpwsz;
}
if (dwFriendlyNameSize < (1 + wcslen (lpwsz)) * sizeof(WCHAR))
{
ServerFree (lpszFriendlyName);
dwFriendlyNameSize = (64 + wcslen (lpwsz)) * sizeof(WCHAR);
if (!(lpszFriendlyName = ServerAlloc (dwFriendlyNameSize)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
}
wcscpy (lpszFriendlyName, lpwsz);
continue;
}
else if (_wcsnicmp (
lpwsz,
gszLines,
CCH_LINES
) == 0 && bLine ||
_wcsnicmp (
lpwsz,
gszPhones,
CCH_PHONES
) == 0 && (!bLine))
{
// Here it is either Lines=1,100 or Phones=1,100
DWORD dwXxxSize, dwDeviceID;
WCHAR *pXxxNames, *pNewXxxNames, * p;
TAPIPERMANENTID tpid;
// first skip over the '=' sign
while (*lpwsz && *lpwsz != L'=')
{
++lpwsz;
}
if (*lpwsz == 0)
{
continue;
}
++lpwsz;
p = lpwsz;
while (*p)
{
if ((tpid.dwProviderID = _wtol (p)) == 0)
{
//
// ProviderID's are never 0, so list must be corrupt.
//
break;
}
for (; ((*p != L'\0') && (*p != L',')); p++);
if (*p == L'\0')
{
//
// Couldn't find a trailing ',' so list must be corrupt.
//
break;
}
p++; // skip the ','
tpid.dwDeviceID = _wtol (p);
while (*p != L',' && *p != L'\0')
{
p++;
}
if (*p == L',')
{
if (*(p + 1) == L'\0')
{
//
// The ',' is followed by a NULL, so nuke the ','
//
*p = L'\0';
}
else
{
p++;
}
}
dwDeviceID = GetDeviceIDFromPermanentID (tpid, bLine);
if (dwDeviceID == 0xffffffff)
{
//
// This <ppid>,<plid> pair is bad. Skip it.
//
continue;
}
//
// At this point dwDeviceID is the zero-based index
// of a fully populated info list (no missing entries).
//
// If the list is not fully-populated (due to failed
// dev caps, or removed devices, etc) we need to
// recompute the index by walking the list & comparing
// permanent XXX id's.
//
if (dwNumDevices <
(bLine ? TapiGlobals.dwNumLines : TapiGlobals.dwNumPhones))
{
BOOL bContinue = FALSE;
for (i = dwDeviceID;; i--)
{
LPDEVICEINFO pInfoTmp = ((LPDEVICEINFO) (pList + 1)) +i;
if (pInfoTmp->dwPermanentDeviceID == tpid.dwDeviceID &&
pInfoTmp->dwProviderID == tpid.dwProviderID)
{
dwDeviceID = i;
break;
}
if (i == 0)
{
bContinue = TRUE;
break;
}
}
if (bContinue)
{
continue;
}
}
//
//
//
dwDomainUserNameSize = (wcslen(lpszDomainUser) + 1) * sizeof(WCHAR);
dwXxxSize = pInfo[dwDeviceID].dwDomainUserNamesOffset;
pXxxNames = pUserNames[dwDeviceID].pDomainUserNames;
if (!(pNewXxxNames = ServerAlloc(
dwXxxSize + dwDomainUserNameSize
)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
CopyMemory (pNewXxxNames, lpszDomainUser, dwDomainUserNameSize);
if (dwXxxSize)
{
CopyMemory(
((LPBYTE) pNewXxxNames) + dwDomainUserNameSize,
pXxxNames,
dwXxxSize
);
ServerFree (pXxxNames);
}
pInfo[dwDeviceID].dwDomainUserNamesOffset +=
dwDomainUserNameSize;
pUserNames[dwDeviceID].pDomainUserNames = pNewXxxNames;
//
//
//
// If there is no friendly name specified in tsec.ini
// which happens in NT/SP4 upgrade case, we use the
// DomainUserName for display
//
if (*lpszFriendlyName == 0)
{
wcsncpy(lpszFriendlyName, lpszDomainUser,
dwFriendlyNameSize / sizeof(WCHAR));
lpszFriendlyName[(dwFriendlyNameSize / sizeof(WCHAR)) - 1] = 0;
}
dwFriendlyUserNameSize = (wcslen(lpszFriendlyName) + 1) * sizeof(WCHAR);
dwXxxSize = pInfo[dwDeviceID].dwFriendlyUserNamesOffset;
pXxxNames = pUserNames[dwDeviceID].pFriendlyUserNames;
if (!(pNewXxxNames = ServerAlloc(
dwXxxSize + dwFriendlyUserNameSize
)))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
CopyMemory(
pNewXxxNames,
lpszFriendlyName,
dwFriendlyUserNameSize
);
if (dwXxxSize)
{
CopyMemory(
((LPBYTE) pNewXxxNames) + dwFriendlyUserNameSize,
pXxxNames,
dwXxxSize
);
ServerFree (pXxxNames);
}
pInfo[dwDeviceID].dwFriendlyUserNamesOffset +=
dwFriendlyUserNameSize;
pUserNames[dwDeviceID].pFriendlyUserNames = pNewXxxNames;
}
}
}
}
//
//
//
LOG((TL_INFO,
"GetDeviceInfo: matching users to %ws",
(bLine ? gszLines : gszPhones)
));
for (i = 0; i < dwNumDevices; i++)
{
pInfo = ((LPDEVICEINFO)(pList + 1)) + i;
if (InsertInfoListString(
&pList,
i,
(DWORD) (((LPBYTE) &pInfo->dwDomainUserNamesSize) -
((LPBYTE) pInfo)),
pUserNames[i].pDomainUserNames,
pInfo->dwDomainUserNamesOffset,
TRUE
))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
pInfo = ((LPDEVICEINFO)(pList + 1)) + i;
if (InsertInfoListString(
&pList,
i,
(DWORD) (((LPBYTE) &pInfo->dwFriendlyUserNamesSize) -
((LPBYTE) pInfo)),
pUserNames[i].pFriendlyUserNames,
pInfo->dwFriendlyUserNamesOffset,
TRUE
))
{
lResult = LINEERR_NOMEM;
goto ExitHere;
}
}
//
// If here we successfully built the list
//
pList->dwNeededSize = pList->dwUsedSize;
if (bLine)
{
gpLineInfoList = pList;
gpLineDevFlags = lpdwDevFlags;
gdwNumFlags = dwNumDevices;
}
else
{
gpPhoneInfoList = pList;
}
ExitHere:
if (pUserNames != NULL)
{
for (i = 0; i < dwNumDevices; i++)
{
ServerFree (pUserNames[i].pDomainUserNames);
ServerFree (pUserNames[i].pFriendlyUserNames);
}
}
ServerFree (lpszDomainUser);
ServerFree (lpszLineAnsiBuf);
ServerFree (lpszLineWcharBuf);
ServerFree (lpszFriendlyName);
ServerFree (pUserNames);
if (lResult)
{
ServerFree (pList);
if (bLine)
{
ServerFree (lpdwDevFlags);
gdwNumFlags = 0;
}
}
if (hFileMap)
{
UnmapViewOfFile(lpszFileBuf);
CloseHandle (hFileMap);
}
if (hIniFile != INVALID_HANDLE_VALUE)
{
CloseHandle (hIniFile);
}
return lResult;
}
void
GetDeviceInfo(
PMMCGETDEVICEINFO_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned,
BOOL bLine
)
{
LONG lResult = LINEERR_NOMEM;
LPDEVICEINFOLIST pXxxList,
pInfoListApp;
//
// Verify size/offset/string params given our input buffer/size
//
if (pParams->dwDeviceInfoListTotalSize > dwParamsBufferSize)
{
pParams->lResult = LINEERR_OPERATIONFAILED;
goto ExitHere;
}
if (pParams->dwDeviceInfoListTotalSize < sizeof (*pXxxList))
{
pParams->lResult = LINEERR_STRUCTURETOOSMALL;
goto ExitHere;
}
//
// If there's not an existing device info list then & build a
// new one or
// if tsec.ini has been updated outsize, rebuild the DeviceInfoList
//
pInfoListApp = (LPDEVICEINFOLIST) pDataBuf;
EnterCriticalSection(&gMgmtCritSec);
pXxxList = (bLine ? gpLineInfoList : gpPhoneInfoList);
if (UpdateLastWriteTime(bLine) == S_FALSE || pXxxList == NULL)
{
// First free old infoList if any (if updated outside)
if (bLine)
{
if (gpLineInfoList)
{
ServerFree (gpLineInfoList);
gpLineInfoList = NULL;
ServerFree (gpLineDevFlags);
gpLineDevFlags = NULL;
gdwNumFlags = 0;
}
}
else
{
if (gpPhoneInfoList)
{
ServerFree (gpPhoneInfoList);
gpPhoneInfoList = NULL;
}
}
// Create new info list, BuildDeviceInfoList is a long process
pParams->lResult = BuildDeviceInfoList(bLine);
if (pParams->lResult != S_OK)
{
LeaveCriticalSection(&gMgmtCritSec);
goto ExitHere;
}
}
//
// Return the device info list we have in memory
//
pXxxList = (bLine ? gpLineInfoList : gpPhoneInfoList);
ASSERT (pXxxList != NULL);
if (pParams->dwDeviceInfoListTotalSize < pXxxList->dwNeededSize)
{
pInfoListApp->dwNeededSize = pXxxList->dwNeededSize;
pInfoListApp->dwUsedSize = sizeof (*pInfoListApp);
pInfoListApp->dwNumDeviceInfoEntries =
pInfoListApp->dwDeviceInfoSize =
pInfoListApp->dwDeviceInfoOffset = 0;
}
else
{
CopyMemory(
pInfoListApp,
pXxxList,
pXxxList->dwNeededSize
);
}
pInfoListApp->dwTotalSize = pParams->dwDeviceInfoListTotalSize;
pParams->dwDeviceInfoListOffset = 0;
*pdwNumBytesReturned = sizeof (TAPI32_MSG) + pInfoListApp->dwUsedSize;
pParams->lResult = 0;
LeaveCriticalSection(&gMgmtCritSec);
ExitHere:
return;
}
void
WINAPI
MGetLineInfo(
PTCLIENT ptClient,
PMMCGETDEVICEINFO_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
GetDeviceInfo(
pParams,
dwParamsBufferSize,
pDataBuf,
pdwNumBytesReturned,
TRUE
);
}
void
WINAPI
MGetPhoneInfo(
PTCLIENT ptClient,
PMMCGETDEVICEINFO_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
GetDeviceInfo(
pParams,
dwParamsBufferSize,
pDataBuf,
pdwNumBytesReturned,
FALSE
);
}
void
SetDeviceInfo(
PMMCSETDEVICEINFO_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned,
BOOL bLine
)
{
DWORD i;
WCHAR *pDomainUserName, *pDomainUserNames,
*pFriendlyUserName, *pFriendlyUserNames;
LPDEVICEINFO pOldInfo, pNewInfo;
LPDEVICEINFOLIST pNewInfoList = (LPDEVICEINFOLIST) (pDataBuf +
pParams->dwDeviceInfoListOffset),
*ppXxxList = (bLine ?
&gpLineInfoList : &gpPhoneInfoList);
//
// Verify size/offset/string params given our input buffer/size
//
if (IsBadStructParam(
dwParamsBufferSize,
pDataBuf,
pParams->dwDeviceInfoListOffset
))
{
pParams->lResult = PHONEERR_OPERATIONFAILED;
return;
}
//
// Serialize access to global line info list
//
if (!(*ppXxxList))
{
pParams->lResult = LINEERR_OPERATIONFAILED;
goto exit;
}
//
// Update the global list & ini file by diff'ing old & new settings
//
pNewInfo = (LPDEVICEINFO)
(((LPBYTE) pNewInfoList) + pNewInfoList->dwDeviceInfoOffset);
for (i = 0; i < pNewInfoList->dwNumDeviceInfoEntries; i++, pNewInfo++)
{
DWORD dwDeviceID;
DWORD dwIndex;
TAPIPERMANENTID tpid;
tpid.dwProviderID = pNewInfo->dwProviderID;
tpid.dwDeviceID = pNewInfo->dwPermanentDeviceID;
dwDeviceID = GetDeviceIDFromPermanentID (tpid, bLine);
if (dwDeviceID == 0xffffffff)
{
LOG((TL_ERROR,
"SetDeviceInfo: bad provider/device IDs (x%x/x%x)",
pNewInfo->dwProviderID,
pNewInfo->dwPermanentDeviceID
));
continue;
}
pOldInfo = dwDeviceID + ((LPDEVICEINFO) (*ppXxxList + 1));
//
// Due to device removal, it is possible pOldInfo is not the entry
// desired, we need to search back to find the one we want
//
dwIndex = dwDeviceID;
if ((dwDeviceID >= (*ppXxxList)->dwNumDeviceInfoEntries) ||
(pOldInfo->dwProviderID != tpid.dwProviderID) ||
(pOldInfo->dwPermanentDeviceID != tpid.dwDeviceID))
{
LPDEVICEINFO pInfoFirst = (LPDEVICEINFO)(*ppXxxList + 1);
DWORD dwLastSchDevice =
((*ppXxxList)->dwNumDeviceInfoEntries <= dwDeviceID)?
((*ppXxxList)->dwNumDeviceInfoEntries - 1) :
(dwDeviceID - 1);
LPDEVICEINFO pInfo = pInfoFirst + dwLastSchDevice;
while (pInfo >= pInfoFirst &&
((pInfo->dwProviderID != tpid.dwProviderID) ||
(pInfo->dwPermanentDeviceID != tpid.dwDeviceID)))
{
--pInfo;
}
if (pInfo < pInfoFirst)
{
LOG((TL_ERROR,
"SetDeviceInfo: bad provider/device IDs (x%x/x%x)",
pNewInfo->dwProviderID,
pNewInfo->dwPermanentDeviceID
));
continue;
}
pOldInfo = pInfo;
dwIndex = (DWORD)(ULONG_PTR)(pInfo - pInfoFirst);
}
//
// Remove all the old users from this device
//
if (pOldInfo->dwDomainUserNamesSize)
{
pDomainUserName = (WCHAR *) (((LPBYTE) *ppXxxList) +
pOldInfo->dwDomainUserNamesOffset);
while (*pDomainUserName != L'\0')
{
ChangeDeviceUserAssociation(
pDomainUserName,
NULL,
pOldInfo->dwProviderID,
pOldInfo->dwPermanentDeviceID,
bLine
);
pDomainUserName += wcslen (pDomainUserName) + 1;
}
pOldInfo->dwDomainUserNamesSize = 0;
pOldInfo->dwFriendlyUserNamesSize = 0;
}
//
// Add all the new users to this device
//
if (pNewInfo->dwDomainUserNamesSize)
{
pDomainUserName =
pDomainUserNames = (WCHAR *) (((LPBYTE) pNewInfoList) +
pNewInfo->dwDomainUserNamesOffset);
pFriendlyUserName =
pFriendlyUserNames = (WCHAR *) (((LPBYTE) pNewInfoList) +
pNewInfo->dwFriendlyUserNamesOffset);
while (*pDomainUserName != L'\0')
{
ChangeDeviceUserAssociation(
pDomainUserName,
pFriendlyUserName,
pOldInfo->dwProviderID,
pOldInfo->dwPermanentDeviceID,
bLine
);
pDomainUserName += wcslen (pDomainUserName) + 1;
pFriendlyUserName += wcslen (pFriendlyUserName) + 1;
}
if (InsertInfoListString(
ppXxxList,
dwIndex,
(DWORD) (((LPBYTE) &pNewInfo->dwDomainUserNamesSize) -
((LPBYTE) pNewInfo)),
pDomainUserNames,
pNewInfo->dwDomainUserNamesSize,
FALSE
))
{
}
if (InsertInfoListString(
ppXxxList,
dwIndex,
(DWORD) (((LPBYTE) &pNewInfo->dwFriendlyUserNamesSize) -
((LPBYTE) pNewInfo)),
pFriendlyUserNames,
pNewInfo->dwFriendlyUserNamesSize,
FALSE
))
{
}
}
//
// Update the device access(phone/line mapping) for the client users
// send LINE/PHONE_REMOVE if the domain/user lose the access
// send LINE/PHONE_CREATE if the domain/user gained the access
//
{
TPOINTERLIST clientList = {0}, *pClientList = &clientList;
DWORD i, j;
//
// Walk throught the client list
//
GetClientList (FALSE, &pClientList);
for (i = 0; i < pClientList->dwNumUsedEntries; i++)
{
PTCLIENT ptClient;
BOOL bHaveAccess = FALSE;
BOOL bGainAccess = FALSE;
BOOL bLoseAccess = FALSE;
BOOL bSendMessage = FALSE;
WCHAR * pwsz = NULL;
WCHAR wszBuf[255];
DWORD dw, dwNewDeviceID;
ptClient = (PTCLIENT) pClientList->aEntries[i];
//
// Should this client have access to this device?
//
if (WaitForExclusiveClientAccess(ptClient))
{
if (IS_FLAG_SET(ptClient->dwFlags, PTCLIENT_FLAG_ADMINISTRATOR) ||
ptClient->pszDomainName == NULL ||
ptClient->pszUserName == NULL)
{
UNLOCKTCLIENT (ptClient);
continue;
}
dw = wcslen (ptClient->pszDomainName) +
wcslen (ptClient->pszUserName) + 2;
dw *= sizeof(WCHAR);
if (dw > sizeof (wszBuf))
{
pwsz = ServerAlloc (dw);
if (pwsz == NULL)
{
UNLOCKTCLIENT (ptClient);
continue;
}
}
else
{
pwsz = wszBuf;
}
wcscpy (pwsz, ptClient->pszDomainName);
wcscat (pwsz, L"\\");
wcscat (pwsz, ptClient->pszUserName);
UNLOCKTCLIENT (ptClient);
}
else
{
continue;
}
pDomainUserName = (WCHAR *) (((LPBYTE) pNewInfoList) +
pNewInfo->dwDomainUserNamesOffset);
while (*pDomainUserName != L'\0')
{
if (lstrcmpiW (pwsz, pDomainUserName) == 0)
{
bHaveAccess = TRUE;
break;
}
pDomainUserName += wcslen (pDomainUserName) + 1;
}
if (pwsz != wszBuf)
{
ServerFree (pwsz);
}
//
// Does the client lose/gain the access to this device
// if any changes happen, modify the mapping
//
if (WaitForExclusiveClientAccess(ptClient))
{
LPDWORD lpXxxDevices;
LPTAPIPERMANENTID lpXxxMap;
DWORD dwNumDev;
if (bLine)
{
dwNumDev = ptClient->dwLineDevices;
lpXxxMap = ptClient->pLineMap;
lpXxxDevices = ptClient->pLineDevices;
}
else
{
dwNumDev = ptClient->dwPhoneDevices;
lpXxxMap = ptClient->pPhoneMap;
lpXxxDevices = ptClient->pPhoneDevices;
}
for (j = 0; j < dwNumDev; ++ j)
{
if (lpXxxDevices[j] == dwDeviceID)
{
bLoseAccess = (!bHaveAccess);
break;
}
}
if (j == dwNumDev)
{
bGainAccess = bHaveAccess;
}
if (bLoseAccess)
{
lpXxxDevices[j] = 0xffffffff;
lpXxxMap[j].dwDeviceID = 0xffffff;
dwNewDeviceID = j;
}
if (bGainAccess)
{
LPTAPIPERMANENTID lpNewXxxMap;
LPDWORD lpNewDevices = NULL;
if (lpNewXxxMap = ServerAlloc (
sizeof(TAPIPERMANENTID) * (dwNumDev + 1)))
{
if (lpNewDevices = ServerAlloc (
sizeof(DWORD) * (dwNumDev + 1)))
{
if (dwNumDev != 0)
{
memcpy (
lpNewXxxMap,
lpXxxMap,
sizeof (TAPIPERMANENTID) * dwNumDev
);
memcpy (
lpNewDevices,
lpXxxDevices,
sizeof (DWORD) * dwNumDev
);
}
lpNewDevices[dwNumDev] = dwDeviceID;
lpNewXxxMap[dwNumDev] = tpid;
++ dwNumDev;
}
else
{
ServerFree (lpNewXxxMap);
UNLOCKTCLIENT (ptClient);
continue;
}
}
else
{
UNLOCKTCLIENT(ptClient);
continue;
}
if (bLine)
{
ptClient->dwLineDevices = dwNumDev;
ServerFree (ptClient->pLineDevices);
ptClient->pLineDevices = lpNewDevices;
ServerFree (ptClient->pLineMap);
ptClient->pLineMap = lpNewXxxMap;
}
else
{
ptClient->dwPhoneDevices = dwNumDev;
ServerFree (ptClient->pPhoneDevices);
ptClient->pPhoneDevices = lpNewDevices;
ServerFree (ptClient->pPhoneMap);
ptClient->pPhoneMap = lpNewXxxMap;
}
dwNewDeviceID = dwNumDev - 1;
}
//
// Need to send messsage if there is
// any line/phoneInitialize(Ex)
//
if ((ptClient->ptLineApps && bLine) ||
(ptClient->ptPhoneApps && (!bLine)))
{
if (bLoseAccess || bGainAccess)
{
bSendMessage = TRUE;
}
}
UNLOCKTCLIENT (ptClient);
}
else
{
continue;
}
if (bSendMessage)
{
ASYNCEVENTMSG msg;
TPOINTERLIST xxxAppList = {0},
*pXxxAppList = &xxxAppList;
msg.TotalSize = sizeof (ASYNCEVENTMSG);
msg.fnPostProcessProcHandle = 0;
msg.Msg = (bLine ?
(bLoseAccess? LINE_REMOVE : LINE_CREATE) :
(bLoseAccess? PHONE_REMOVE: PHONE_CREATE));
msg.Param1 = dwNewDeviceID;
if (bLine)
{
GetLineAppListFromClient (ptClient, &pXxxAppList);
}
else
{
GetPhoneAppListFromClient (ptClient, &pXxxAppList);
}
for (i = 0; i < pXxxAppList->dwNumUsedEntries; ++i)
{
BOOL b;
try
{
if (bLine)
{
PTLINEAPP ptLineApp =
(PTLINEAPP) pXxxAppList->aEntries[i];
b = FMsgDisabled (
ptLineApp->dwAPIVersion,
ptLineApp->adwEventSubMasks,
(DWORD) msg.Msg,
(DWORD) msg.Param1
);
msg.InitContext = ptLineApp->InitContext;
}
else
{
PTPHONEAPP ptPhoneApp =
(PTPHONEAPP) pXxxAppList->aEntries[i];
b = FMsgDisabled (
ptPhoneApp->dwAPIVersion,
ptPhoneApp->adwEventSubMasks,
(DWORD) msg.Msg,
(DWORD) msg.Param1
);
msg.InitContext = ptPhoneApp->InitContext;
}
}
myexcept
{
continue;
}
if (b)
{
continue;
}
WriteEventBuffer (ptClient, &msg);
}
if (pXxxAppList != &xxxAppList)
{
ServerFree (pXxxAppList);
}
}
//
// If the user loses the device access, anything
// opened about the device needs to be closed
//
if (bLoseAccess)
{
//
// Walk throught all its TLINEAPP
//
if (bLine)
{
PTLINELOOKUPENTRY ptLineLookup;
PTLINE ptLine;
PTLINECLIENT ptLineClient, pNextLineClient;
HANDLE hMutex;
BOOL bDupedMutex;
ptLineLookup = GetLineLookupEntry(dwDeviceID);
if (!ptLineLookup || !(ptLine = ptLineLookup->ptLine));
{
continue;
}
if (!WaitForExclusivetLineAccess(
ptLine,
&hMutex,
&bDupedMutex,
INFINITE
))
{
continue;
}
ptLineClient = ptLine->ptLineClients;
while (ptLineClient)
{
if (WaitForExclusiveLineClientAccess(ptLineClient))
{
pNextLineClient = ptLineClient->pNextSametLine;
if (ptLineClient->ptClient == ptClient)
{
HLINE hLine = ptLineClient->hLine;
UNLOCKTLINECLIENT (ptLineClient);
DestroytLineClient(ptLineClient->hLine);
}
else
{
UNLOCKTLINECLIENT (ptLineClient);
}
ptLineClient = pNextLineClient;
}
else
{
break;
}
}
MyReleaseMutex(hMutex, bDupedMutex);
}
//
// Walk throught all its TPHONEAPP
//
else
{
PTPHONELOOKUPENTRY ptPhoneLookup;
PTPHONE ptPhone;
PTPHONECLIENT ptPhoneClient, pNextPhoneClient;
HANDLE hMutex;
BOOL bDupedMutex;
ptPhoneLookup = GetPhoneLookupEntry(dwDeviceID);
if (!ptPhoneLookup || !(ptPhone = ptPhoneLookup->ptPhone));
{
continue;
}
if (!WaitForExclusivetPhoneAccess(
ptPhone,
&hMutex,
&bDupedMutex,
INFINITE
))
{
continue;
}
ptPhoneClient = ptPhone->ptPhoneClients;
while (ptPhoneClient)
{
if (WaitForExclusivePhoneClientAccess(ptPhoneClient))
{
pNextPhoneClient = ptPhoneClient->pNextSametPhone;
if (ptPhoneClient->ptClient == ptClient)
{
HPHONE hPhone = ptPhoneClient->hPhone;
UNLOCKTPHONECLIENT (ptPhoneClient);
DestroytPhoneClient(ptPhoneClient->hPhone);
}
else
{
UNLOCKTPHONECLIENT (ptPhoneClient);
}
ptPhoneClient = pNextPhoneClient;
}
else
{
break;
}
}
MyReleaseMutex (hMutex, bDupedMutex);
}
}
}
if (pClientList != &clientList)
{
ServerFree (pClientList);
}
}
}
//
// Reset the dwNeededSize field since it might have grown adding
// users to devices
//
(*ppXxxList)->dwNeededSize = (*ppXxxList)->dwUsedSize;
exit:
return;
}
void
WINAPI
MSetLineInfo(
PTCLIENT ptClient,
PMMCSETDEVICEINFO_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
BOOL bDidLock;
if (WaitForExclusiveClientAccess(ptClient))
{
bDidLock =
IS_FLAG_SET (ptClient->dwFlags, PTCLIENT_FLAG_LOCKEDMMCWRITE);
UNLOCKTCLIENT (ptClient);
}
else
{
bDidLock = FALSE;
}
EnterCriticalSection (&gMgmtCritSec);
if (gbLockMMCWrite && !bDidLock)
{
pParams->lResult = TAPIERR_MMCWRITELOCKED;
}
else
{
SetDeviceInfo(
pParams,
dwParamsBufferSize,
pDataBuf,
pdwNumBytesReturned,
TRUE
);
UpdateLastWriteTime(TRUE);
}
LeaveCriticalSection (&gMgmtCritSec);
}
void
WINAPI
MSetPhoneInfo(
PTCLIENT ptClient,
PMMCSETDEVICEINFO_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
BOOL bDidLock;
if (WaitForExclusiveClientAccess(ptClient))
{
bDidLock =
IS_FLAG_SET (ptClient->dwFlags, PTCLIENT_FLAG_LOCKEDMMCWRITE);
UNLOCKTCLIENT (ptClient);
}
else
{
bDidLock = FALSE;
}
EnterCriticalSection (&gMgmtCritSec);
if (gbLockMMCWrite && !bDidLock)
{
pParams->lResult = TAPIERR_MMCWRITELOCKED;
}
else
{
SetDeviceInfo(
pParams,
dwParamsBufferSize,
pDataBuf,
pdwNumBytesReturned,
FALSE
);
UpdateLastWriteTime(FALSE);
}
LeaveCriticalSection (&gMgmtCritSec);
}
VOID
PASCAL
InsertString(
LPVOID pStruct,
LPDWORD pdwXxxSize,
LPWSTR pString
)
{
DWORD dwSize = (wcslen (pString) + 1) * sizeof (WCHAR);
CopyMemory(
((LPBYTE) pStruct) + ((LPVARSTRING) pStruct)->dwUsedSize,
pString,
dwSize
);
if (*pdwXxxSize == 0) // if dwXxxSize == 0 set dwXxxOffset
{
*(pdwXxxSize + 1) = ((LPVARSTRING) pStruct)->dwUsedSize;
}
((LPVARSTRING) pStruct)->dwUsedSize += dwSize;
*pdwXxxSize += dwSize;
}
LONG
PASCAL
GetDomainAndUserNames(
WCHAR **ppDomainName,
WCHAR **ppUserName
)
{
LONG lResult = LINEERR_OPERATIONFAILED;
DWORD dwInfoBufferSize, dwSize, dwAccountNameSize,
dwDomainNameSize;
HANDLE hAccessToken;
LPWSTR InfoBuffer, lpszAccountName, lpszDomainName;
PTOKEN_USER ptuUser;
SID_NAME_USE use;
if (!OpenProcessToken (GetCurrentProcess(), TOKEN_READ, &hAccessToken))
{
LOG((TL_ERROR,
"GetAccountInfo: OpenThreadToken failed, error=%d",
GetLastError()
));
goto GetDomainAndUserNames_return;
}
dwSize = 1000;
dwInfoBufferSize = 0;
InfoBuffer = (LPWSTR) ServerAlloc (dwSize);
if (!InfoBuffer)
{
CloseHandle (hAccessToken);
return LINEERR_NOMEM;
}
ptuUser = (PTOKEN_USER) InfoBuffer;
if (!GetTokenInformation(
hAccessToken,
TokenUser,
InfoBuffer,
dwSize,
&dwInfoBufferSize
))
{
LOG((TL_ERROR,
"GetAccountInfo: GetTokenInformation failed, error=%d",
GetLastError()
));
goto close_AccessToken;
}
if (!(lpszAccountName = ServerAlloc (200)))
{
lResult = LINEERR_NOMEM;
goto free_InfoBuffer;
}
if (!(lpszDomainName = ServerAlloc (200)))
{
lResult = LINEERR_NOMEM;
goto free_AccountName;
}
dwAccountNameSize = dwDomainNameSize = 200;
if (!LookupAccountSidW(
NULL,
ptuUser->User.Sid,
lpszAccountName,
&dwAccountNameSize,
lpszDomainName,
&dwDomainNameSize,
&use
))
{
LOG((TL_ERROR,
"GetAccountInfo: LookupAccountSidW failed, error=%d",
GetLastError()
));
}
else
{
LOG((TL_INFO,
"GetAccountInfo: User name %ls Domain name %ls",
lpszAccountName,
lpszDomainName
));
lResult = 0;
*ppDomainName = lpszDomainName;
*ppUserName = lpszAccountName;
goto free_InfoBuffer;
}
ServerFree (lpszDomainName);
free_AccountName:
ServerFree (lpszAccountName);
free_InfoBuffer:
ServerFree (InfoBuffer);
close_AccessToken:
CloseHandle (hAccessToken);
GetDomainAndUserNames_return:
return lResult;
}
BOOL
IsNTServer(
void
)
{
BOOL bResult = FALSE;
TCHAR szProductType[64];
HKEY hKey;
DWORD dwDataSize;
DWORD dwDataType;
if (RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
gszRegKeyNTServer,
0,
KEY_QUERY_VALUE,
&hKey
) == ERROR_SUCCESS)
{
dwDataSize = 64*sizeof(TCHAR);
if (RegQueryValueEx(
hKey,
gszProductType,
0,
&dwDataType,
(LPBYTE) szProductType,
&dwDataSize
) == ERROR_SUCCESS)
if ((!lstrcmpi (szProductType, gszProductTypeServer)) ||
(!lstrcmpi (szProductType, gszProductTypeLanmanNt)))
{
bResult = TRUE;
}
RegCloseKey (hKey);
}
return bResult;
}
BOOL
IsSharingEnabled(
void
)
{
HKEY hKey;
BOOL bResult = FALSE;
DWORD dwType, dwDisableSharing;
if (RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
TEXT("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Telephony\\Server"),
0,
KEY_ALL_ACCESS,
&hKey
) == ERROR_SUCCESS)
{
DWORD dwSize = sizeof (dwDisableSharing);
dwDisableSharing = 1; // default is sharing == disabled
if (RegQueryValueEx(
hKey,
TEXT("DisableSharing"),
0,
&dwType,
(LPBYTE) &dwDisableSharing,
&dwSize
) == ERROR_SUCCESS)
{
bResult = (dwDisableSharing ? FALSE : TRUE);
}
RegCloseKey (hKey);
}
return bResult;
}
void
WINAPI
MGetServerConfig(
PTCLIENT ptClient,
PMMCGETSERVERCONFIG_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
LONG lResult;
DWORD dwDomainNameSize, dwUserNameSize, dwValuesSize,
dwResult, dwNeededSize;
WCHAR *pValues = NULL, *pValue;
LPWSTR pDomainName, pUserName;
LPTAPISERVERCONFIG pServerConfig = (LPTAPISERVERCONFIG) pDataBuf;
//
// Verify size/offset/string params given our input buffer/size
//
if (pParams->dwServerConfigTotalSize > dwParamsBufferSize)
{
pParams->lResult = LINEERR_OPERATIONFAILED;
return;
}
//
// Make sure the buffer is >= fixed size of the structure
//
if (pParams->dwServerConfigTotalSize < sizeof (*pServerConfig))
{
pParams->lResult = LINEERR_STRUCTURETOOSMALL;
return;
}
pServerConfig->dwTotalSize = pParams->dwServerConfigTotalSize;
//
// If this is not an NT server then just set the needed/used size
// fields & jump to done
//
if (!IsNTServer())
{
pServerConfig->dwNeededSize =
pServerConfig->dwUsedSize = sizeof (*pServerConfig);
goto MGetServerConfig_done;
}
//
// Retrieve domain & user name strings, & calc their length in bytes
//
if ((lResult = GetDomainAndUserNames (&pDomainName, &pUserName)))
{
pParams->lResult = lResult;
return;
}
dwDomainNameSize = (wcslen (pDomainName) + 1) * sizeof (WCHAR);
dwUserNameSize = (wcslen (pUserName) + 1) * sizeof (WCHAR);
//
// Retrieve the list of tapi administrators
//
do
{
if (pValues)
{
ServerFree (pValues);
dwValuesSize *= 2;
}
else
{
dwValuesSize = 256;
}
if (!(pValues = ServerAlloc (dwValuesSize * sizeof (WCHAR))))
{
pParams->lResult = LINEERR_NOMEM;
goto MGetServerConfig_freeNames;
}
pValues[0] = L'\0';
dwResult = GetPrivateProfileSectionW(
gszTapiAdministrators,
pValues,
dwValuesSize,
gszFileName
);
} while (dwResult >= (dwValuesSize - 2));
dwNeededSize = dwDomainNameSize + dwUserNameSize + dwValuesSize;
//
// Fill in the server config structure
//
ZeroMemory(
&pServerConfig->dwFlags,
sizeof (*pServerConfig) - (3 * sizeof (DWORD))
);
pServerConfig->dwFlags |= TAPISERVERCONFIGFLAGS_ISSERVER;
if (IsSharingEnabled())
{
pServerConfig->dwFlags |= TAPISERVERCONFIGFLAGS_ENABLESERVER;
}
if (pServerConfig->dwTotalSize < dwNeededSize)
{
pServerConfig->dwNeededSize = dwNeededSize;
pServerConfig->dwUsedSize = sizeof (*pServerConfig);
}
else
{
pServerConfig->dwUsedSize = sizeof (*pServerConfig);
InsertString(
pServerConfig,
&pServerConfig->dwDomainNameSize,
pDomainName
);
InsertString(
pServerConfig,
&pServerConfig->dwUserNameSize,
pUserName
);
pValue = pValues;
while (*pValue != L'\0')
{
//
// The string looks like "Domain\User=1", and we want
// the "Domain\User" part.
//
//
// Walk the string until we find a '=' char, or ' ' space
// (which might result from user editing ini file manually),
// or a NULL char (implying corruption).
//
WCHAR *p;
for (p = pValue; *p != L'\0' && *p != L'=' && *p != L' '; p++);
//
// If we found a '=' or ' ' char then we're good to go.
//
// A more robust check would be to see that the following
// string looks like "=1" or "1" (possibly with some spaces
// thrown in) to make sure.
//
if (*p != L'\0')
{
*p = L'\0';
InsertString(
pServerConfig,
&pServerConfig->dwAdministratorsSize,
pValue
);
//
// Skip the NULL we set above & look for the next NULL
//
for (++p; *p != L'\0'; p++);
}
//
// Skip the NULL
//
pValue = p + 1;
}
if (pServerConfig->dwAdministratorsSize)
{
InsertString(
pServerConfig,
&pServerConfig->dwAdministratorsSize,
gszEmptyString
);
}
pServerConfig->dwNeededSize = pServerConfig->dwUsedSize;
}
ServerFree (pValues);
MGetServerConfig_freeNames:
ServerFree (pDomainName);
ServerFree (pUserName);
MGetServerConfig_done:
if (pParams->lResult == 0)
{
pParams->dwServerConfigOffset = 0;
*pdwNumBytesReturned = sizeof (TAPI32_MSG) +
pServerConfig->dwUsedSize;
}
}
LONG
PASCAL
WriteRegistryKeys(
LPTSTR lpszMapper,
LPTSTR lpszDlls,
DWORD dwDisableSharing
)
{
LONG lResult = LINEERR_OPERATIONFAILED;
HKEY hKeyTelephony, hKey;
DWORD dw;
if (RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
TEXT("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Telephony"),
0,
KEY_ALL_ACCESS,
&hKeyTelephony
) == ERROR_SUCCESS)
{
if (RegCreateKeyEx(
hKeyTelephony,
TEXT("Server"),
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&hKey,
&dw
) == ERROR_SUCCESS)
{
if (RegSetValueEx(
hKey,
TEXT("DisableSharing"),
0,
REG_DWORD,
(LPBYTE) &dwDisableSharing,
sizeof (dwDisableSharing)
) == ERROR_SUCCESS &&
RegSetValueEx(
hKey,
TEXT("MapperDll"),
0,
REG_SZ,
(LPBYTE) TEXT ("TSEC.DLL"),
(lstrlen (TEXT ("TSEC.DLL")) + 1) * sizeof (TCHAR)
) == ERROR_SUCCESS)
{
lResult = 0;
}
RegCloseKey (hKeyTelephony);
}
RegCloseKey (hKey);
}
return lResult;
}
LONG
PASCAL
WriteServiceConfig(
LPWSTR pDomainName,
LPWSTR pUserName,
LPWSTR pPassword,
BOOL bServer
)
{
LONG lResult = LINEERR_OPERATIONFAILED;
SC_HANDLE sch, sc_tapisrv;
if ((sch = OpenSCManager (NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE)))
{
if ((sc_tapisrv = OpenService(
sch,
TEXT("TAPISRV"),
SERVICE_CHANGE_CONFIG
)))
{
DWORD dwSize;
WCHAR *pDomainUserName;
dwSize = (wcslen (pDomainName) + wcslen (pUserName) + 2) *\
sizeof (WCHAR);
if ((pDomainUserName = ServerAlloc (dwSize)))
{
wcscpy (pDomainUserName, pDomainName);
wcscat (pDomainUserName, L"\\");
wcscat (pDomainUserName, pUserName);
if ((ChangeServiceConfigW(
sc_tapisrv,
SERVICE_WIN32_OWN_PROCESS,
bServer ? SERVICE_AUTO_START : SERVICE_DEMAND_START,
SERVICE_NO_CHANGE,
NULL,
NULL,
NULL,
NULL,
pDomainUserName,
pPassword,
NULL
)))
{
lResult = 0;
}
else
{
LOG((TL_ERROR,
"WriteServiceConfig: ChangeServiceConfig " \
"failed, err=%ld",
GetLastError()
));
}
ServerFree (pDomainUserName);
}
else
{
lResult = LINEERR_NOMEM;
}
CloseServiceHandle(sc_tapisrv);
}
CloseServiceHandle(sch);
}
return lResult;
}
void
WINAPI
MSetServerConfig(
PTCLIENT ptClient,
PMMCSETSERVERCONFIG_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
LONG lResult;
BOOL bIsSharingEnabled;
LPTAPISERVERCONFIG pServerConfig = (LPTAPISERVERCONFIG)
(pDataBuf + pParams->dwServerConfigOffset);
pParams->lResult = 0;
//
// Verify size/offset/string params given our input buffer/size
//
if (IsBadStructParam(
dwParamsBufferSize,
pDataBuf,
pParams->dwServerConfigOffset
))
{
pParams->lResult = PHONEERR_OPERATIONFAILED;
return;
}
if (!IsNTServer())
{
pParams->lResult = LINEERR_OPERATIONFAILED;
return;
}
bIsSharingEnabled = IsSharingEnabled();
if (pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_LOCKMMCWRITE)
{
EnterCriticalSection (&gMgmtCritSec);
if (gbLockMMCWrite)
{
pParams->lResult = TAPIERR_MMCWRITELOCKED;
}
else
{
gbLockMMCWrite = TRUE;
}
LeaveCriticalSection (&gMgmtCritSec);
if (pParams->lResult)
{
return;
}
else if (WaitForExclusiveClientAccess (ptClient))
{
SET_FLAG (ptClient->dwFlags, PTCLIENT_FLAG_LOCKEDMMCWRITE);
UNLOCKTCLIENT (ptClient);
}
}
if (pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_UNLOCKMMCWRITE &&
WaitForExclusiveClientAccess (ptClient))
{
BOOL bToUnlock;
bToUnlock =
IS_FLAG_SET (ptClient->dwFlags, PTCLIENT_FLAG_LOCKEDMMCWRITE);
RESET_FLAG (ptClient->dwFlags, PTCLIENT_FLAG_LOCKEDMMCWRITE);
UNLOCKTCLIENT (ptClient);
if (bToUnlock)
{
EnterCriticalSection (&gMgmtCritSec);
gbLockMMCWrite = FALSE;
LeaveCriticalSection (&gMgmtCritSec);
}
}
if (pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_SETACCOUNT)
{
HANDLE hToken;
LPWSTR pUserName, pDomainName, pPassword;
pUserName = (LPWSTR)
(((LPBYTE) pServerConfig) + pServerConfig->dwUserNameOffset);
pDomainName = (LPWSTR)
(((LPBYTE) pServerConfig) + pServerConfig->dwDomainNameOffset);
pPassword = (LPWSTR)
(((LPBYTE) pServerConfig) + pServerConfig->dwPasswordOffset);
//
// Make sure the new name/domain/password are valid
//
if (!LogonUserW(
pUserName,
pDomainName,
pPassword,
LOGON32_LOGON_NETWORK,
LOGON32_PROVIDER_DEFAULT,
&hToken
))
{
LOG((TL_ERROR,
"MSetServerConfig: LogonUser failed, err=%ld",
GetLastError()
));
pParams->lResult = ERROR_LOGON_FAILURE;
return;
}
CloseHandle (hToken);
//
//
//
if ((lResult = WriteServiceConfig(
pDomainName,
pUserName,
pPassword,
(pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_ENABLESERVER)
)))
{
LOG((TL_ERROR,
"MSetServerConfig: WriteServiceConfig failed, err=%ld",
lResult
));
pParams->lResult = lResult;
return;
}
}
if (pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_ENABLESERVER &&
!bIsSharingEnabled)
{
if ((pParams->lResult = CreateTapiSCP (NULL, NULL)) != 0)
{
LOG((TL_ERROR,
"MSetServerConfig: CreateTapiSCP failed, err=%ld",
pParams->lResult
));
return;
}
}
else if (!(pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_ENABLESERVER) &&
bIsSharingEnabled)
{
if ((pParams->lResult = RemoveTapiSCP ()) != 0)
{
LOG((TL_ERROR,
"MSetServerConfig: RemoveTapiSCP failed, err=%ld",
pParams->lResult
));
return;
}
else
{
// This is not a Telephony server anymore, so reset the flag
TapiGlobals.dwFlags = TapiGlobals.dwFlags & ~TAPIGLOBALS_SERVER;
}
}
if ((lResult = WriteRegistryKeys(
NULL,
NULL,
(DWORD) ((pServerConfig->dwFlags &
TAPISERVERCONFIGFLAGS_ENABLESERVER) ? 0 : 1)
)))
{
LOG((TL_ERROR,
"MSetServerConfig: WriteRegistryKeys failed, err=%ld",
lResult
));
pParams->lResult = LINEERR_OPERATIONFAILED;
return;
}
if (pServerConfig->dwFlags & TAPISERVERCONFIGFLAGS_SETTAPIADMINISTRATORS)
{
WCHAR *pAdmin, buf[16];
DWORD i;
//
// Reset the TapiAdministrators section
//
if (WritePrivateProfileSectionW(
gszTapiAdministrators,
L"\0",
gszFileName) == 0)
{
pParams->lResult = LINEERR_OPERATIONFAILED;
return;
}
pAdmin = (WCHAR *)
(((LPBYTE) pServerConfig) + pServerConfig->dwAdministratorsOffset);
//
// For each admin in the list write out a "Domain\User=1"
// value to the TapiAdministrators section
//
for (i = 0; *pAdmin != L'\0'; i++)
{
if (WritePrivateProfileStringW(
gszTapiAdministrators,
pAdmin,
L"1",
gszFileName
) == 0)
{
pParams->lResult = LINEERR_OPERATIONFAILED;
return;
}
pAdmin += (wcslen (pAdmin) + 1);
}
}
}
typedef BOOL ( APIENTRY GETFILEVERSIONINFO(
LPWSTR lptstrFilename, // pointer to filename string
DWORD dwHandle, // ignored
DWORD dwLen, // size of buffer
LPVOID lpData // pointer to buffer to receive file-version info.
));
typedef DWORD ( APIENTRY GETFILEVERSIONINFOSIZE(
LPWSTR lptstrFilename, // pointer to filename string
LPDWORD lpdwHandle // pointer to variable to receive zero
));
typedef BOOL ( APIENTRY VERQUERYVALUE(
const LPVOID pBlock, // address of buffer for version resource
LPWSTR lpSubBlock, // address of value to retrieve
LPVOID *lplpBuffer, // address of buffer for version pointer
PUINT puLen // address of version-value length buffer
));
static WCHAR gszVarFileInfo[] = L"\\VarFileInfo\\Translation";
static WCHAR gszStringFileInfo[] = L"\\StringFileInfo\\%04x%04x\\FileDescription";
//
// EmanP
// Given a multisz of file names,
// allocates a multisz of friendly names.
// Returns the number of bytes in the frienly name multisz
//
//
DWORD
GetProviderFriendlyName(
/*IN */ WCHAR *pFileNameBuf,
/*OUT*/ WCHAR **ppFriendlyNameBuf
)
{
DWORD dwBufTotalSize = 0,
dwBufUsedSize = 0,
dwVerSize = 0,
dwSize,
dwVerHandle;
UINT uItemSize;
HINSTANCE hVerDll;
GETFILEVERSIONINFO *pGetFileVersionInfo;
GETFILEVERSIONINFOSIZE *pGetFileVersionInfoSize;
VERQUERYVALUE *pVerQueryValue;
WCHAR *pFileName = pFileNameBuf,
*pszBuffer,
*pFriendlyNameBuf = NULL,
*p;
BYTE *pbVerData = NULL;
WCHAR szItem[1024];
WORD wLangID;
WORD wUserLangID;
WORD wCodePage;
DWORD dwIdx;
if (NULL == pFileName ||
NULL == ppFriendlyNameBuf)
{
return 0;
}
//
// First, load VERSION.DLL
//
hVerDll = LoadLibrary( TEXT("Version.dll") );
if ( NULL == hVerDll )
{
LOG((TL_ERROR,
"LoadLibrary('VERSION.DLL') failed! err=0x%08lx",
GetLastError()
));
return 0;
}
//
// Now, get the needed entry points into VERSION.DLL.
// Use only UNICODE versions.
//
pGetFileVersionInfo = (GETFILEVERSIONINFO*) GetProcAddress(
hVerDll,
"GetFileVersionInfoW"
);
if ( NULL == pGetFileVersionInfo )
{
LOG((TL_ERROR,
"GetProcAddress('VERSION.DLL', 'GetFileVersionInfoW') " \
"failed! err=0x%08lx",
GetLastError()
));
goto _Return;
}
pGetFileVersionInfoSize = (GETFILEVERSIONINFOSIZE *) GetProcAddress(
hVerDll,
"GetFileVersionInfoSizeW"
);
if ( NULL == pGetFileVersionInfoSize )
{
LOG((TL_ERROR,
"GetProcAddress('VERSION.DLL', 'GetFileVersionInfoSizeW') " \
"failed! err=0x%08lx",
GetLastError()
));
goto _Return;
}
pVerQueryValue = (VERQUERYVALUE *) GetProcAddress(
hVerDll,
"VerQueryValueW"
);
if ( NULL == pVerQueryValue )
{
LOG((TL_ERROR,
"GetProcAddress('VERSION.DLL', 'VerQueryValueW') " \
"failed! err=0x%08lx",
GetLastError()
));
goto _Return;
}
//
// Get the current UI language ( this is needed if MUI is enabled )
//
wUserLangID = GetUserDefaultUILanguage ();
//
// For each filename in the input multisz,
// try to get it's friendly name. If anything fails,
// make the friendly name the same as the file name.
//
for (; 0 != *pFileName; pFileName += lstrlenW(pFileName)+1)
{
pszBuffer = NULL;
//
// 1. Get the size needed for the verion resource
//
if ((dwSize = pGetFileVersionInfoSize( pFileName, &dwVerHandle )) == 0)
{
LOG((TL_ERROR, "GetFileVersionInfoSize failure for %S", pFileName ));
goto _UseFileName;
}
//
// 2. If our current buffer is smaller than needed, reallocate it.
//
if (dwSize > dwVerSize)
{
if (NULL != pbVerData)
{
ServerFree (pbVerData);
}
dwVerSize = dwSize + 16;
pbVerData = ServerAlloc( dwVerSize );
if ( pbVerData == NULL )
{
dwVerSize = 0;
goto _UseFileName;
}
}
//
// 3. Now, get the version information for the file.
//
if (pGetFileVersionInfo(
pFileName,
dwVerHandle,
dwVerSize,
pbVerData
) == FALSE )
{
LOG((TL_ERROR, "GetFileVersionInfo failure for %S", pFileName ));
goto _UseFileName;
}
//
// 4. Get the Language/Code page translation
//
// NOTE: bug in VerQueryValue, can't handle static CS based str
//
lstrcpyW ( szItem, gszVarFileInfo );
if ((pVerQueryValue(
pbVerData,
szItem,
&pszBuffer,
(LPUINT) &uItemSize
) == FALSE) ||
(uItemSize == 0))
{
LOG((TL_ERROR,
"ERROR: VerQueryValue failure for %S on file %S",
szItem,
pFileName
));
pszBuffer = NULL;
goto _UseFileName;
}
wCodePage = 0;
wLangID = wUserLangID;
//
// lookup the current user UI language ID in the file version info
//
if (0 != wLangID)
{
for( dwIdx=0; dwIdx < uItemSize/sizeof(DWORD); dwIdx++ )
{
if ( *(WORD*)((DWORD*)pszBuffer + dwIdx) == wLangID )
{
wCodePage = *( (WORD*)((DWORD*)pszBuffer + dwIdx) + 1);
break;
}
}
if( dwIdx == uItemSize/sizeof(DWORD) )
{
wLangID = 0;
}
}
//
// if GetUserDefaultUILanguage() failed,
// or the current user UI language doesn't show up in the file version info
// just use the first language in the file version
//
if (0 == wLangID)
{
wLangID = *(LPWORD)pszBuffer;
wCodePage = *(((LPWORD)pszBuffer)+1);
}
//
// 5. Get the FileDescription in the language obtained above.
// (We use the FileDescription as friendly name).
//
wsprintfW(
szItem,
gszStringFileInfo,
wLangID,
wCodePage
);
if ((pVerQueryValue(
pbVerData,
szItem,
&pszBuffer,
(LPUINT) &uItemSize
) == FALSE) ||
(uItemSize == 0))
{
LOG((TL_ERROR,
"ERROR: VerQueryValue failure for %S on file %S",
szItem,
pFileName
));
pszBuffer = NULL;
goto _UseFileName;
}
_UseFileName:
if (NULL == pszBuffer)
{
//
// Something went wrong and we couldn't get
// the file description. Use the file name
// instead.
//
pszBuffer = pFileName;
}
//
// At this point, pszBuffer points to a (UNICODE) string
// containing what we deem to be the friendly name.
// Let's append it to the OUT multisz.
//
dwSize = (lstrlenW (pszBuffer) + 1) * sizeof (WCHAR);
if ((dwSize + dwBufUsedSize) > dwBufTotalSize)
{
if (!(p = ServerAlloc (dwBufTotalSize += 512)))
{
//
// We don't have enough memory.
// Release what we allocated until now, and return 0.
//
if (NULL != pFriendlyNameBuf)
{
ServerFree (pFriendlyNameBuf);
}
dwBufUsedSize = 0;
break;
}
if (dwBufUsedSize)
{
CopyMemory (p, pFriendlyNameBuf, dwBufUsedSize);
ServerFree (pFriendlyNameBuf);
}
pFriendlyNameBuf = p;
}
CopyMemory(
((LPBYTE) pFriendlyNameBuf) + dwBufUsedSize,
pszBuffer,
dwSize
);
dwBufUsedSize += dwSize;
}
_Return:
//
// We don't need the library anymore.
// We don't need the version buffer either.
//
FreeLibrary (hVerDll);
if (NULL != pbVerData)
{
ServerFree (pbVerData);
}
if (0 != dwBufUsedSize)
{
*ppFriendlyNameBuf = pFriendlyNameBuf;
}
return dwBufUsedSize;
}
void WINAPI MGetDeviceFlags (
PTCLIENT ptClient,
PMMCGETDEVICEFLAGS_PARAMS pParams,
DWORD dwParamsBufferSize,
LPBYTE pDataBuf,
LPDWORD pdwNumBytesReturned
)
{
DWORD dwDeviceID;
TAPIPERMANENTID ID;
*pdwNumBytesReturned = sizeof (TAPI32_MSG);
// Support calls on line device only for now
if (!pParams->fLine)
{
pParams->lResult = LINEERR_OPERATIONUNAVAIL;
return;
}
ID.dwDeviceID = pParams->dwPermanentDeviceID;
ID.dwProviderID = pParams->dwProviderID;
EnterCriticalSection(&gMgmtCritSec);
if (gpLineDevFlags == NULL)
{
pParams->lResult = LINEERR_OPERATIONUNAVAIL;
goto ExitHere;
}
dwDeviceID = GetDeviceIDFromPermanentID (ID, pParams->fLine);
if (dwDeviceID == 0xffffffff || dwDeviceID >= gdwNumFlags)
{
pParams->lResult = LINEERR_OPERATIONUNAVAIL;
goto ExitHere;
}
pParams->dwDeviceID = dwDeviceID;
pParams->dwFlags = gpLineDevFlags[dwDeviceID];
ExitHere:
LeaveCriticalSection (&gMgmtCritSec);
return;
}